libzfs: Fail making a dataset handle gracefully #13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org>
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Status: Code Review Needed
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
nicman23
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
andrewc12
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
andrewc12
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
snajpa
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Oct 22, 2022
When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
snajpa
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When a dataset is in the process of being received it gets marked as inconsistent and should not be used. We should check for this when opening a dataset handle in libzfs and return with an appropriate error set, rather than hitting an abort because of the incomplete data. zfs_open() passes errno to zfs_standard_error() after observing make_dataset_handle() fail, which ends up aborting if errno is 0. Set errno before returning where we know it has not been set already. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org> Closes openzfs#13077
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Motivation and Context
When a dataset is in the process of being received it gets marked as
inconsistent and should not be used. We should check for this when
opening a dataset handle in libzfs and return with an appropriate error
set, rather than hitting an abort because of the incomplete data.
Description
Check dds_inconsistent in make_dataset_handle_common().
zfs_open() passes errno to zfs_standard_error() after observing
make_dataset_handle() fail, which ends up aborting if errno is 0.
Set errno before returning where we know it has not been set already.
How Has This Been Tested?
Types of changes
Checklist:
Signed-off-by.